Re: [GSoC] Improved Color Selection - help needed

Hi All!

For future reference, the problem was that *GtkComboBox* is converted to a
*ListBox* and not to a *ComboBox* when *"Has Entry"* is turned off in the
.ui file.

All the best,
Krisztian


On 18 July 2014 16:17, Krisztian Pinter <pin.terminator@gmail.com> wrote:

> Hi All!
>
> I have realized that one problem is that in the old style I was calling
> the ctor of the *ComboBox* directly, and was able to set *WinBits* flags:
> *aPaletteComboBox( this, WinBits( WB_BORDER | WB_DROPDOWN | WB_AUTOSIZE)
> ),*
>
> However, now I use *VclBuilder::get*, and I can't do this. I tried
> setting the flags after construction
> *mpPaletteComboBox->SetStyle( WinBits(WB_BORDER | WB_DROPDOWN |
> WB_AUTOSIZE) );*
> but I think these flags affect the object construction itself, so by that
> point, it's too late.
>
> *WB_DROPDOWN* is key here, because if it's not set, *mpFloatWin* won't be
> initialized.
>
> I tried looking in Glade, to see if I can set these flags there, but I
> couldn't find anything.
>
> All the best,
> Krisztian
>
>
> On 18 July 2014 14:37, Krisztian Pinter <pin.terminator@gmail.com> wrote:
>
> > Hi All!
> >
> > I'm working on converting the palette popup window (*SvxColorWindow_Impl*,
> > looks like this in my branch right now: http://i.imgur.com/4XAbRaH.png)
> > to use the widget layout, and I kind of got it working. It places the
> > widgets based on a .ui file, but a *ComboBox* makes LO crash at the
> > slightest provocation.
> >
> > To make *SvxColorWindow_Impl* use the widget layout, I did some
> > research, and I drew this inheritance diagram:
> > http://i.imgur.com/KK2GegK.jpg
> > I made *FloatingWindow* also inherit from *VclBuilderContainer*, like
> > *Dialog*, and added new ctors to *FloatingWindow* and *SfxPopupWindow*,
> > that take two extra string parameters for the .ui file location and the id
> > of the root widget.
> > I hardcoded the .ui path for *SvxColorWindow_Impl* in its ctor, since
> > it's supposed to be a leaf in the inheritance tree.
> > I also copypasted *GetOptimalSize*, *SetPosSizePixel*, *SetSizePixel*
> >  and *SetPosPixel* from *TabPage* to *FloatingWindow*.
> > This made the popup window show up, if I disabled parts of the code that
> > called methods on the *ComboBox*.
> >
> > The *ComboBox* is initialized with *get*, as all other widgets.
> > I found that *mpFloatWin* in *ComboBox* gets set to *0xcccccccccccccccc*,
> > so I think it's not initialized properly. (I'm giving *get* the correct
> > id from the .ui, so that's not it.)
> > If I call either *AdaptDropDownLineCountToMaximu**m* or *InsertEntry* in
> > the ctor of *SvxColorWindow_Impl*, LO crashes immediately when the popup
> > window is opened.
> > Are there any well known/typical reasons why this would happen?
> >
> > If anyone has any insights, please share them! Thank you!
> >
> > All the best,
> > Krisztian